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1002112103031 = 31364339961403
BaseRepresentation
bin11101001010100101000…
…10010011001001110111
310112210121220201101011020
432211102202103021313
5112404311144244111
62044210340112223
7132254162221554
oct16452242231167
93483556641136
101002112103031
11356aa2180196
12142271395673
1373663a33550
1436706b63a2b
151b101dbe906
hexe952893277

1002112103031 has 16 divisors (see below), whose sum is σ = 1441168073856. Its totient is φ = 615725282016.

The previous prime is 1002112103017. The next prime is 1002112103053. The reversal of 1002112103031 is 1303012112001.

It is a happy number.

1002112103031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002112103031 - 227 = 1001977885303 is a prime.

It is a super-2 number, since 2×10021121030312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002112103031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002112103231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19955625 + ... + 20005778.

It is an arithmetic number, because the mean of its divisors is an integer number (90073004616).

Almost surely, 21002112103031 is an apocalyptic number.

1002112103031 is a deficient number, since it is larger than the sum of its proper divisors (439055970825).

1002112103031 is a wasteful number, since it uses less digits than its factorization.

1002112103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39962062.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1002112103031 its reverse (1303012112001), we get a palindrome (2305124215032).

The spelling of 1002112103031 in words is "one trillion, two billion, one hundred twelve million, one hundred three thousand, thirty-one".

Divisors: 1 3 13 39 643 1929 8359 25077 39961403 119884209 519498239 1558494717 25695182129 77085546387 334037367677 1002112103031